US2823140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating metal with methyl methacrylate resin and product formed thereby
Assignee: EIDP Inc
•
Filing: 1954-12-30
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Granted: 1958-02-11
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Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 John H Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:12
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/40; B; B05; B05D; B05D7/00; B05D7/50; B05D7/56; B05D7/57; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; B05D2202/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31667; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METAL ARTICLE HAVING A HARD, ADHERENT, MULTIPLELAYER COATING CONSISTING OF A LAYER OF PIGMENTED PRIMER IN ADHERENT CONTACT WITH SAID METAL, A LAYER OF UNDERCOAT IN ADHERENT CONTACT WITH SAID PRIMER, AND A TOPCOAT LAYER OF METHYL METHACRYLATE LACQUER IN ADHERENT CONTACT WITH SAID UNDERCOAT, SAID UNDERCOAT COMPRISING ORGANIC FILMFORMING MATERIAL CONSISTING ESSENTIALLY OF A POLYMERIC PHOSPHATE REACTION PRODUCT OF PHOSPHORIC ACID WITH A COPOLYMER OF METHYL METHACRYLATE AND GLYCIDYL METHACRYLATE.
Claim 2
Dependent Claim
72 words
A METAL ARTICLE HAVING A HARD, ADHERENT, MULTIPLELAYER COATING CONSISTING OF A LAYER OF PIGMENTED PRIMER IN ADHERENT CONTACT WITH SAID METAL, A LAYER OF UNDERCOAT IN ADHERENT CONTACT WITH SAID PRIMER, AND A TOPCOAT LAYER OF METHYL METHACRYLATE LACQUER IN ADHERENT CONTACT WITH SAID UNDERCOAT, SAID UNDERCOAT COMPRISING ORGANIC FILMFORMING MATERIAL CONSISTING ESSENTIALLY OF A POLYMERIC PHOSPHATE REACTION PRODUCT OF PHOSPHORIC ACID WITH A COPOLYMER OF METHYL METHACRYLATE AND GLYCIDYL METHACRYLATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |